chore: asa validation base class

[cusma]

This PR:

• Refactor constants in different files (common + ARC89 specific);
• Introduces ARC90 netauth in the ARC89 partial URI for non-MainNet networks;
• Adds startswith and endswith utilities to AVM commons;
• Isolates ASA validation utilities in the ASA Validation base class.

[Copilot]

Pull request overview

This PR refactors the codebase to improve modularity and introduce network-specific ARC90 URI support. The changes include:

• Extracting common AVM constants to a shared constants.py file
• Creating an AsaValidation base class to isolate ASA validation logic
• Adding ARC90_NETAUTH template variable for network-specific URI construction

Reviewed changes

Copilot reviewed 12 out of 16 changed files in this pull request and generated 2 comments.

Show a summary per file

File	Description
smart_contracts/constants.py	New file containing common AVM and ARC constants extracted from module-specific files
smart_contracts/asa_validation.py	New base class providing ASA validation methods (existence, manager, ARC3/ARC89 compliance)
smart_contracts/template_vars.py	Added ARC90_NETAUTH template variable for network authority in ARC90 URIs
smart_contracts/avm_common.py	Added arc90_box_query helper function for constructing ARC90 URIs with network auth
smart_contracts/asa_metadata_registry/constants.py	Refactored to import common constants and keep only ARC89-specific ones
smart_contracts/asa_metadata_registry/contract.py	Updated to inherit from AsaValidation and use refactored validation methods
smart_contracts/asa_metadata_registry/errors.py	Updated error message for ARC89 compliance to reference "partial URI"
smart_contracts/asa_metadata_registry/deploy_config.py	Added ARC90_NETAUTH to deployment parameters
tests/conftest.py	Enabled environment fixture and updated to inject ARC90_NETAUTH from environment
tests/test_arc89_create_metadata.py	Updated constant references from ARC_3_* to ARC3_* naming convention
.env.localnet.template	Added localnet environment configuration with ARC90_NETAUTH=net:localnet/
.env.testnet.template	Added testnet environment configuration with ARC90_NETAUTH=net:testnet/
smart_contracts/artifacts/...	Generated TEAL code reflecting the refactored implementation

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[Copilot]

Pull request overview

Copilot reviewed 12 out of 16 changed files in this pull request and generated 3 comments.

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